LangSmith vs Relevance AI
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Relevance AI is the stronger AI pick in AI Agents: it has a visibility score of 8 versus 3 for LangSmith, and ranks ahead in 50% of the answers that name both.
Choose LangSmith if…
- You need SOC 2 Type II or HIPAA or ISO 27001 (Engine feature) coverage
- strong production observability
- tracing, debugging and response evaluation
Choose Relevance AI if…
- You want the brand AI engines rank higher (8 vs 3)
- AI answers describe it more positively (50% vs 17% positive)
- You need SOC 2 coverage
- visual drag-and-drop agent builder
AI visibility side by side
Latest weekly run · Nov 3
| Metric | LangSmith | Relevance AI |
|---|---|---|
| Visibility score | 3% | 8% |
| Change vs last week | New | New |
| Rank in AI Agents | #31 | #15 |
| Share of voice | 0.9% | 1.5% |
| Mentions this run | 6 | 10 |
| Positive in AI answers | 17% | 50% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
LangSmith 0pp · Relevance AI 0pp over 0 weekly runs.
Engine by engine
Relevance AI leads on 3 of 3 engines
Head to head in AI answers
2 engine answers name both brands
| Prompt | Engine | LangSmith | Relevance AI |
|---|---|---|---|
| Which AI agent platform has transparent pricing? | ChatGPT | #2 | #1 |
| Official website of the top AI agent platform vendors | Perplexity | #14 | #18 |
Features, pricing & fit
| Dimension | LangSmith | Relevance AI |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | Contact sales |
| Free plan | — | No |
| Deployment | Cloud, Bring Your Own Cloud, and Self-hosted | — |
| Integrations | — | 2000+ |
| Compliance | SOC 2 Type II, HIPAA, GDPR, ISO 27001 (Engine feature) | SOC 2, GDPR |
| Support | — | Embedded deployment team, Dedicated account manager on Enterprise plan |
| Founded | — | 2020 |
| Headquarters | San Francisco, California | San Francisco, California, United States |
| Employees | — | 51–200 |
| Funding | Series B | Series A (unconfirmed, reported by Signalbase) · $37M raised |
| Best for | — | Enterprise teams in sales, customer success, marketing and HR that want non-technical staff to build and run their own agents. |
Plans side by side
LangSmith
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
LangSmith
- strong production observability
- tracing, debugging and response evaluation
Relevance AI
- visual drag-and-drop agent builder
- free tier
- prebuilt agent templates for sales, support, and operations
- hosted no-code agent builder useful for experimenting
- named best overall
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “LangSmith vs Relevance AI”, https://slateindex.ai/compare/langsmith-vs-relevance-ai, data of Nov 3, 2026. Licence: CC BY 4.0.